Cohort profile: China respiratory illness surveillance among pregnant women (CRISP), 2015-2018

Chen, L., Zhou, S., Zhang, Z., Wang, Y., Bao, L., Tan, Y., Sheng, F., Song, Y., Zhang, R., Danielle Iuliano, A., Thompson, M. G., Greene, C. M., Zhang, J.
BMJ Publishing
Published 2018